96″ L x 4″ H Interchangeable Beam – UNARCO

48″ L x 3 9/16″ H Interchangeable Beam

48″ D x 192″ H Interchangeable Upright – 3″ x 3″ Column

42″ D x 240″ H Interchangeable Upright – 3″ x 3″ Column

42″ D x 120″ H Interchangeable Upright – 3″ x 3″ Column

42″ D x 144″ H Interchangeable Upright – 3″ x 3″ Column

48″ D x 144″ H Interchangeable Upright – 3″ x 1 5/8″ Column

48″ D x 96″ H Interchangeable Upright – 3″ x 1 5/8″ Column

42″ D x 144″ H Interchangeable Upright – 3″ x 1 5/8″ Column

42″ D x 120″ H Interchangeable Upright – 3″ x 1 5/8″ Column

42″ D x 96″ H Interchangeable Upright – 3″ x 1 5/8″ Column

36″ D x 144″ H Interchangeable Upright – 3″ x 1 5/8″ Column